- Outpatient, male or female subjects of any race, 18 years of age or higher. -Female subjects of childbearing potential must have a negative urine pregnancy test within 7 days prior to the first dose of study drug and practice a reliable method of contraception throughout the study [Exception: Female subjects of child bearing potential who are not sexually active are not required to practice a reliable method of contraception and may be enrolled at the Investigator's discretion provided they are counseled to remain sexually inactive for the duration of the study and understand the risks involved in getting pregnant during the study.]